CN114172245A - Household electricity storage group and system based on new energy conversion of chemical energy and electric energy - Google Patents
Household electricity storage group and system based on new energy conversion of chemical energy and electric energy Download PDFInfo
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- CN114172245A CN114172245A CN202210123614.3A CN202210123614A CN114172245A CN 114172245 A CN114172245 A CN 114172245A CN 202210123614 A CN202210123614 A CN 202210123614A CN 114172245 A CN114172245 A CN 114172245A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00036—Charger exchanging data with battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of new energy storage, and discloses a household electricity storage group and a system based on chemical energy and electric energy conversion of new energy. The utility model provides a house electrical storage group of chemical energy and electric energy conversion based on new forms of energy, includes group battery, electrode unit and switch, the inside of electrode unit is equipped with charge-discharge control module, charge-discharge control module with for the electricity is connected between the switch, through utilizing address dial switch, this house electrical storage group and system based on chemical energy and electric energy conversion of new forms of energy, through electrode unit and address dial switch's cooperation, can realize the extension to the group battery, the group battery extension is convenient, can carry out the principal and subordinate distribution to the multiunit group battery simultaneously, improves parallelly connected stability between the group battery, and the cooperation of many equipment parallel connection mouth one and many equipment parallel connection mouth two can realize the automatic parallel control between the group battery, is favorable to improving parallelly connected effect between the group battery.
Description
Technical Field
The invention relates to the technical field of new energy storage, in particular to a household electricity storage group and a household electricity storage system based on the conversion of chemical energy and electric energy of new energy.
Background
The new forms of energy electric power storage is the process that changes the new forms of energy into the electric energy through the electricity generation subassembly, then utilize power storage equipment to store the electric energy that the new forms of energy changed and utilize, the electric power storage group is one of the storage facilities of the electric energy that the new forms of energy changed, along with the continuous progress of internet of things, current household equipment is also developing to intelligent direction, can use the electric power storage group to household equipment, the electric energy that changes the new forms of energy simultaneously is stored through the electric power storage group, can provide the required energy of operation for household equipment.
When using the electric power storage group to house equipment, the electric power storage of new forms of energy had both been accomplished to the electric power storage group, need accomplish the operation work of supplying power for house equipment simultaneously, the process of simple charge-discharge can only be realized to current electric power storage group, can't expand at any time electric power storage group according to the generating capacity of new forms of energy electricity generation subassembly and the power consumption condition of house equipment, when utilizing new forms of energy electricity generation subassembly to charge multiunit electric power storage group, need the user manually to carry out parallel connection regulation operation to multiunit electric power storage group, can't realize the automatic parallel connection between the electric power storage group.
Disclosure of Invention
In order to realize the purposes of the household electricity storage group and the household electricity storage system based on the conversion of the chemical energy and the electric energy of the new energy, the invention is realized by the following technical scheme: a household electricity storage group based on conversion of chemical energy and electric energy of new energy comprises a battery pack, an electrode unit and a power switch, wherein a charge and discharge control module is arranged inside the electrode unit and is electrically connected with the power switch, the charge and discharge control module is used for controlling the charge and discharge state of the battery pack, an address dial switch, a multi-device parallel connection port I and a multi-device parallel connection port II are arranged on the surface of the battery pack, the address dial switch is electrically connected with the battery pack, the multi-group battery pack can be set by using the address dial switch, so that a main battery pack and a slave battery pack are determined, parallel connection of the multi-group battery pack is conveniently controlled, the multi-device parallel connection port I is matched with the multi-device parallel connection port II, communication connection between the battery packs can be realized, and the multi-device parallel connection port I and the multi-device parallel connection port II are electrically connected with the charge and discharge control module, can send the instruction to charge-discharge control module through many equipment parallel connection mouth one and many equipment parallel connection mouth two, the inside of group battery is equipped with charge-discharge voltage monitoring unit, charge-discharge voltage monitoring unit with be the electricity between many equipment parallel connection mouth one and the many equipment parallel connection mouth two and be connected, charge-discharge voltage monitoring unit accessible many equipment parallel connection mouth one and many equipment parallel connection mouth two carry out the contrast to the voltage between the group battery, the surface of group battery is equipped with communication port two for be connected group battery and external equipment.
Furthermore, the electrode units comprise a battery anode and a battery cathode, and the two groups of electrode units can realize the connection of the battery pack and multiple devices, so that the charging and discharging functions of the battery pack are realized.
Further, the surface of group battery is equipped with SOC indicator and reset button, reset button's inside is equipped with lasts the module, lasts the module and is used for monitoring the time that reset button was pressed, reset button with be connected for the electricity between the SOC indicator, through utilizing reset button, the running state of changeable group battery, simultaneously through the running state of SOC indicator instruction group battery.
Furthermore, a charging and discharging current monitoring unit and a charging and discharging temperature monitoring unit are arranged inside the battery pack and used for monitoring the current and the temperature of the battery pack during charging and discharging, an alarm indicator and an operation indicator are arranged on the surface of the battery pack, the charging and discharging voltage monitoring unit, the charging and discharging current monitoring unit and the charging and discharging temperature monitoring unit are electrically connected with the alarm indicator and the operation indicator, and the SOC indicator is provided with 4 green LED indicating lamps and used for displaying the current capacity of the battery pack; the alarm indicator is provided with 4 red LED indicator lamps, the battery is displayed to alarm when the alarm indicator flashes, and the battery pack is displayed to be in a protection state by lighting forever; the running indicator is provided with 4 green LEDs, the running indicator is always lighted up to display the running state of the battery pack, and the running indicator flickers during charging and lights up during discharging.
Further, the surface of group battery is equipped with dry contact module and ground protection module, dry contact module includes two kinds of dry contact signal output modes, and ground protection module is used for the ground protection of group battery.
Furthermore, the surface of the battery pack is provided with a first communication port, the first communication port is an RS232 port and is used for connecting the battery pack with debugging equipment and debugging the battery pack through the debugging equipment.
Further, the second communication port is a GAN/RS485 port and is used for connecting the battery pack with an external device.
Further, the multiunit be equipped with between the group battery and lead the wiring, lead the wiring with electrode unit looks adaptation for parallelly connected between the group battery is used for being connected of group battery and charging and discharging equipment simultaneously, the multiunit connect through communication wiring between the many equipment parallel connection mouth one on group battery surface and the many equipment parallel connection mouth two, many equipment parallel connection mouth one and many equipment parallel connection mouth two are the RJ45 port for communication connection between the group battery.
A household storage battery system based on new energy conversion of chemical energy and electric energy comprises a battery pack, external equipment and debugging equipment, wherein a battery management system is arranged in the battery pack, the battery management system is electrically connected with a charging and discharging voltage monitoring unit, a charging and discharging current monitoring unit and a charging and discharging temperature monitoring unit, a charging and discharging module in an electrode unit is electrically connected with the battery management system, and intelligent monitoring and protection can be performed on the battery pack through the cooperation of the battery management system with the charging and discharging voltage monitoring unit, the charging and discharging current monitoring unit and the charging and discharging temperature monitoring unit;
the external equipment is connected with the battery pack through a second communication port, and when a plurality of groups of battery packs are connected in parallel, the battery packs can be connected with the inverter through the second communication port and the communication wiring;
the battery management system is characterized in that a storage module is arranged in the battery management system, the debugging equipment is connected with the storage module through a communication port I, the storage module can be operated through the debugging equipment, an operation data management unit and Ems Tools are arranged in the storage module, the operation data management unit is electrically connected with the continuous module, the time for the continuous module to monitor the pressing of the reset button is set through the debugging equipment, so that the response function of the reset button is set, and the monitoring and charging and discharging voltage monitoring unit, the charging and discharging current monitoring unit, the charging and discharging temperature monitoring unit, the SOC indicator, the alarm indicator and the operation indicator are electrically connected for recording, modifying and debugging the operation parameters of the battery pack.
Further, the external device comprises an inverter and a computer device.
Compared with the prior art, the invention has the following beneficial effects:
1. this house electricity storage group and system based on chemical energy of new forms of energy and electric energy conversion, cooperation through electrode unit and address dial switch, can realize the extension to the group battery, the group battery extension is convenient, can carry out the principal and subordinate distribution to the multiunit group battery simultaneously, improve parallelly connected stability between the group battery, the cooperation of many equipment parallel connection mouth one and many equipment parallel connection mouth two, can realize communication connection between the group battery, usable charge-discharge voltage monitoring unit simultaneously, the voltage to between the group battery contrasts the monitoring, utilize the connection between the charge-discharge control module electrode unit to control simultaneously, thereby realize the automatic parallel control between the group battery, parallel control is effectual between the group battery, be favorable to improving parallelly connected effect between the group battery.
2. This house electricity storage group and system based on chemical energy of new forms of energy and electric energy conversion, through battery management system and charge-discharge voltage monitoring unit, cooperation between charge-discharge current monitoring unit and the charge-discharge temperature monitoring unit is used, can cross the electricity to the group battery, the excess temperature protection, prevent that the group battery from damaging, the design of communication port one, can be connected group battery and debugging equipment, the operation process of group battery can be recorded through the inside operating parameter management unit of storage module, be convenient for master and the running state of aassessment group battery, can revise and debug the inside operating parameter of group battery simultaneously, be convenient for maintain the group battery.
Drawings
FIG. 1 is a schematic view of a primary view of an electrical storage pack according to the present invention;
FIG. 2 is a schematic side view of a storage battery according to the present invention;
FIG. 3 is a schematic diagram of a parallel configuration of the accumulator unit according to the present invention;
FIG. 4 is a schematic diagram of a storage battery system according to the present invention;
FIG. 5 is a schematic diagram of a parallel system of the storage battery pack according to the present invention;
FIG. 6 is a schematic diagram illustrating a switching structure between a sleep mode and an active mode according to the present invention;
FIG. 7 is a schematic diagram of a forced activation system for a storage battery according to the present invention;
FIG. 8 is a schematic diagram of an automatic parallel system among a plurality of storage banks according to the present invention;
FIG. 9 is a schematic diagram of a debugging system of the storage battery pack according to the present invention.
In the figure: 1. a battery pack; 2. an electrode unit; 3. a power switch; 4. an SOC indicator; 5. an alarm indicator; 6. an operational indicator; 7. a dry contact module; 8. a ground protection module; 9. an address dial switch; 10. a first communication port; 11. a first parallel port of the multi-equipment; 12. a second multi-device parallel connection port; 13. a reset button; 14. a second communication port; 15. conducting wires; 16. and (4) communication wiring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the household electricity storage group and system based on the conversion of chemical energy and electric energy of new energy is as follows:
referring to fig. 1-3, a household storage battery pack based on conversion of chemical energy and electric energy of new energy includes battery packs 1, electrode units 2 and power switches 3, wherein two sets of battery packs 1 are provided with conducting wires 15, the conducting wires 15 are adapted to the electrode units 2, and are used for parallel connection between the battery packs 1 and charging and discharging equipment, the electrode units 2 include battery anodes and battery cathodes, the two sets of electrode units 2 are provided, so that connection between the battery packs 1 and multiple equipment can be realized, thereby realizing charging and discharging functions of the battery packs 1, a charging and discharging control module is provided inside the electrode units 2, the charging and discharging control module is electrically connected to the power switches 3, and the charging and discharging control module is used for controlling charging and discharging states of the battery packs 1.
The surface of the battery pack 1 is provided with an address dial switch 9, a first multi-device parallel connection port 11 and a second multi-device parallel connection port 12, the address dial switch 9 is electrically connected with the battery pack 1, a plurality of groups of battery packs 1 can be set by using the address dial switch 9, so that a master battery pack and a slave battery pack are determined, parallel connection of the plurality of groups of battery packs 1 is controlled conveniently, the first multi-device parallel connection ports 11 on the surface of the plurality of groups of battery packs 1 are connected with the second multi-device parallel connection ports 12 through communication wiring 16, the first multi-device parallel connection port 11 and the second multi-device parallel connection ports 12 are RJ45 ports and are used for communication connection among the battery packs 1, and the first multi-device parallel connection port 11 is matched with the second multi-device parallel connection port 12 to realize communication connection among the battery packs 1.
The multi-device parallel connection port I11 and the multi-device parallel connection port II 12 are electrically connected with a charge and discharge control module, the multi-device parallel connection port I11 and the multi-device parallel connection port II 12 can send instructions to the charge and discharge control module, a charge and discharge voltage monitoring unit is arranged inside the battery pack 1, the charge and discharge voltage monitoring unit is electrically connected with the multi-device parallel connection port I11 and the multi-device parallel connection port II 12, the charge and discharge voltage monitoring unit can compare voltages between the battery pack 1 through the multi-device parallel connection port I11 and the multi-device parallel connection port II 12, a communication port II 14 is arranged on the surface of the battery pack 1 and used for connecting the battery pack 1 with external equipment, and the communication port II 14 is a GAN/RS485 port and used for connecting the battery pack 1 with the external equipment.
The surface of group battery 1 is equipped with dry contact module 7 and ground protection module 8, and dry contact module 7 includes two kinds of dry contact signal output modes, and ground protection module 8 is used for the ground protection of group battery 1, and the surface of group battery 1 is equipped with communication port 10, and communication port 10 is the RS232 port for be connected group battery 1 and debugging equipment, debug group battery 1 through the debugging equipment.
The surface of group battery 1 is equipped with SOC indicator 4 and reset button 13, and the inside of reset button 13 is equipped with lasts the module, lasts the module and is used for monitoring the time that reset button 13 was pressed, is electric between reset button 13 and the SOC indicator 4, through utilizing reset button 13, the running state of changeable group battery 1, simultaneously through the running state of SOC indicator 4 instruction group battery 1.
The charging and discharging current monitoring unit and the charging and discharging temperature monitoring unit are arranged inside the battery pack 1 and used for monitoring the current and the temperature of the battery pack 1 during charging and discharging, the surface of the battery pack 1 is provided with an alarm indicator 5 and an operation indicator 6, the charging and discharging voltage monitoring unit, the charging and discharging current monitoring unit and the charging and discharging temperature monitoring unit are electrically connected with the alarm indicator 5 and the operation indicator 6, and the SOC indicator 4 is provided with 4 green LED indicating lamps and used for displaying the current capacity of the battery pack 1; the alarm indicator 5 is provided with 4 red LED indicator lamps, the battery is displayed to alarm when the indicator lamps flicker, and the battery pack 1 is displayed to be in a protection state by lighting forever; the running indicator 6 is provided with 4 green LEDs which are always lighted up to display the running state of the battery pack 1, and the running indicator flickers during charging and lights up during discharging.
The working principle is as follows: when the battery pack is used, the power switch 3 can control the starting and the closing of the battery pack 1, the conducting wires 15 can be connected with the electrode units 2, a plurality of groups of battery packs 1 are connected in parallel, or the battery packs 1 are connected with charging and discharging equipment.
When the battery pack 1 is connected with a charge and discharge device, the charge and discharge control module inside the electrode unit 2, the charge and discharge state of the battery pack 1 can be controlled, at which time the operation indicator 6 starts to be activated, the charging and discharging state of the battery pack 1 is monitored, when the battery pack 1 is in the charging and discharging state, the charging and discharging voltage monitoring unit, the charging and discharging current monitoring unit and the charging and discharging temperature monitoring unit in the battery pack 1 monitor the charging state or the discharging state of the battery pack 1, when the battery pack 1 is in a charging and discharging state, the over-current phenomenon is realized or the charging and discharging temperature is overhigh, the alarm indicator 5 is started at the moment, the battery pack 1 is used for alarming and prompting, and meanwhile, a charging and discharging control module in the electrode unit 2 can close the charging and discharging state of the battery pack 1 through the electrode unit 2, and meanwhile, the battery pack 1 enters a low-voltage protection state.
When the battery pack 1 is in a dormant state, the reset button 13 is pressed for 3s and then released, the battery pack 1 is activated, and the LED indicating lamp of the SOC indicator 4 of the battery pack 1 is lightened up from left to right; when the battery pack 1 is in an activated state, the reset button 13 is pressed for 3s and then released, the battery pack 1 enters a sleep mode, the LED indicating lamps of the SOC indicator 4 are turned on from right to left, and then all the indicating lamps of the SOC indicator 4 are turned off; when the battery pack 1 is in an activated state, the reset button 13 is pressed, the reset button is released after 6s, the parameters of the battery pack 1 are restored to factory settings, all the LED lamps of the SOC indicator 4 are turned on for 1.5 seconds, and if other battery packs 1 are in an output state in a parallel application scene, the current battery pack cannot be set to a sleep state at the moment, because the current battery pack can be charged and awakened by other normally output battery packs 1.
When a plurality of groups of battery packs 1 are connected in parallel through the conducting wire 15 and are simultaneously connected with an external inverter device through the communication wire 16 and the communication port II 14, the battery packs 1 are set through the address dial switch 9, when the address dial switch 9 is set to be 1, the battery packs 1 are main battery packs, the addresses of the address dial switches 9 on the surfaces of the other battery packs 1 are all larger than 1, and therefore the other battery packs 1 are set to be slave battery packs, and therefore the parallel connection of the plurality of battery packs 1 is achieved.
When power is supplied from the battery pack, the charge and discharge switch inside the electrode unit 2 is in an off state. When the voltage difference between the slave battery pack and the master battery pack is smaller than the condition that the set minimum voltage difference between the slave battery pack and the master battery pack is minimum, the master battery pack sends a command to the slave battery pack through the connection between the multi-device parallel connection port I11 and the multi-device parallel connection port II 12 and the communication connection line 16, after the slave battery pack receives the command of the master battery pack, the charge and discharge switch inside the electrode unit 2 is switched on, and the slave battery pack is integrated into the master battery pack to complete automatic parallel operation.
Referring to fig. 4-9, a household storage battery system based on conversion of chemical energy and electric energy of new energy includes a battery pack 1, an external device and a debugging device, the external device includes an inverter and a computer device, a battery management system is disposed inside the battery pack 1, the battery management system is electrically connected with a charging and discharging voltage monitoring unit, a charging and discharging current monitoring unit and a charging and discharging temperature monitoring unit, a charging and discharging module inside an electrode unit 2 is electrically connected with the battery management system, and the battery management system is matched with the charging and discharging voltage monitoring unit, the charging and discharging current monitoring unit and the charging and discharging temperature monitoring unit to perform intelligent monitoring protection on the battery pack 1;
the external equipment is connected with the battery pack 1 through the second communication port 14, and when a plurality of groups of battery packs 1 are connected in parallel, the battery packs 1 can be connected with the inverter through the second communication port 14 and the communication wiring 16;
the inside of battery management system is equipped with storage module, debugging equipment passes through communication port 10 and is connected with storage module, can operate storage module through debugging equipment, storage module's inside is equipped with operation data management unit and Ems Tools, be connected for the electricity between operation data management unit and the last module, accessible debugging equipment sets for the time that last module monitoring reset button 13 was pressed, thereby set for reset button 13's response function, monitoring and charge-discharge voltage monitoring unit, charge-discharge current monitoring unit and charge-discharge temperature monitoring unit and SOC indicator 4, be connected for the electricity between alarm indicator 5 and the operation indicator 6, be used for carrying out the record and modify the debugging to the parameter of group battery 1 operation.
The operation principle of the battery management system is as follows:
the charging and discharging operation process of the battery pack 1 is monitored by using the charging and discharging voltage monitoring unit, the charging and discharging current monitoring unit and the charging and discharging temperature monitoring unit, when the battery pack 1 has over-current and over-temperature phenomena, the battery management system sends a signal to the charging and discharging control module in the electrode unit 2, the charging and discharging control module closes the charging and discharging state of the battery pack 1, and meanwhile, the battery management system switches the battery pack 1 to a low-voltage protection state so as to protect the battery pack 1.
Electric storage group parallel system:
when a plurality of groups of battery packs 1 are connected in parallel through the conducting wire 15, the communication wire 16 and the communication port II 14 are used for being connected with external inverter equipment, at the moment, the address dial switch 9 is used for setting the battery packs 1, when the address dial switch 9 is set to be 1, the battery packs 1 are main battery packs, the addresses of the address dial switches 9 on the surfaces of the rest battery packs 1 are all larger than 1, and therefore the rest battery packs 1 are set to be slave battery packs, and therefore parallel connection of the plurality of battery packs 1 is achieved.
Switching between sleep mode and active mode:
the battery enters a low power mode when any one of the following conditions is satisfied:
1) the low-voltage protection state is not released within 30 seconds.
2) The reset button 13 is pressed and the button is released after 3 seconds.
3) The lowest voltage is lower than the sleep voltage and the duration reaches the sleep delay time.
4) The standby mode lasts more than 24 hours.
5) The Ems tools are forced to turn off.
When the system is in the low power consumption mode and any one of the following conditions is met, the system exits the low power consumption mode and enters a normal operation mode:
1) when the charger is connected, the output voltage of the charger must be more than 48V.
2) The reset button 13 is pressed and released after 3 seconds.
3) The first communication port 10 is connected with debugging equipment.
4) A power supply software switch is used.
Before entering the sleep mode, it is ensured that the charger is not connected, otherwise the low-power mode cannot be entered.
After the battery pack 1 is in a low-voltage protection state, the battery pack enters a sleep mode, is awakened regularly every 4 hours, and is charged or discharged by starting a switch. If charging is possible, the sleep mode is exited and a normal charging state is entered. If the automatic wake-up is not charged for 10 times continuously, the automatic wake-up is not performed any more. When the system is defined as the charging is finished and the recovery voltage is not reached after the standby time of 48h, the charging is forcibly recovered until the charging is finished.
Forced discharge system:
when the battery pack 1 is in a dormant state through low-voltage protection and the lowest battery cell is larger than 2.0V, the power switch 3 is turned off firstly, then the power switch 3 is turned on after waiting for 2s, and the battery pack 1 enters a forced discharge mode for 5 minutes. In the forced discharging mode, if there is charging, the battery pack 1 exits the forced discharging mode and switches to the active state. If the discharge current exceeds 20A or there is no charging current for 5 minutes, the battery pack 1 will re-enter the sleep state.
Automatic parallel system between multiunit electricity storage group:
when power is supplied from the battery pack, the charge and discharge switch inside the electrode unit 2 is in an off state. When the voltage difference between the slave battery pack and the master battery pack is smaller than the condition that the set minimum voltage difference between the slave battery pack and the master battery pack is minimum, the master battery pack sends a command to the slave battery pack through the connection between the multi-device parallel connection port I11 and the multi-device parallel connection port II 12 and the communication connection line 16, after the slave battery pack receives the command of the master battery pack, the charge and discharge switch inside the electrode unit 2 is switched on, and the slave battery pack is integrated into the master battery pack to complete automatic parallel operation.
Electric storage group debugging system:
the debugging equipment is connected with the battery pack 1 through the communication port I10, the debugging equipment can display information in the storage module in the debugging equipment, meanwhile, the storage module can be operated through the debugging equipment, historical data of the running of the battery pack 1 can be called through Ems Tools, meanwhile, the time for monitoring the pressing of the reset button 13 by the continuous module can be set through the running data management unit, the response function of the reset button 13 is set, and meanwhile, the running parameters of the battery pack 1 can be recorded, modified and debugged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a house electricity storage group of chemical energy and electric energy conversion based on new forms of energy, includes group battery (1), electrode unit (2) and switch (3), its characterized in that: the electrode assembly is characterized in that a charge and discharge control module is arranged inside the electrode unit (2), the charge and discharge control module is electrically connected with the power switch (3), an address dial switch (9), a first multi-device parallel connection port (11) and a second multi-device parallel connection port (12) are arranged on the surface of the battery pack (1), the address dial switch (9) is electrically connected with the battery pack (1), the first multi-device parallel connection port (11) and the second multi-device parallel connection port (12) are electrically connected with the charge and discharge control module, a charge and discharge voltage monitoring unit is arranged inside the battery pack (1), the charge and discharge voltage monitoring unit is electrically connected with the first multi-device parallel connection port (11) and the second multi-device parallel connection port (12), and a communication port (14) is arranged on the surface of the battery pack (1).
2. The household power storage pack based on conversion of chemical energy and electric energy of new energy according to claim 1, characterized in that: the electrode units (2) comprise battery anodes and battery cathodes, and the number of the electrode units (2) is two.
3. The household power storage pack based on conversion of chemical energy and electric energy of new energy according to claim 1, characterized in that: the surface of group battery (1) is equipped with SOC indicator (4) and reset button (13), the inside of reset button (13) is equipped with lasts the module, reset button (13) with be connected for the electricity between SOC indicator (4).
4. The household power storage pack based on conversion of chemical energy and electric energy of new energy according to claim 3, characterized in that: the battery pack is characterized in that a charging and discharging current monitoring unit and a charging and discharging temperature monitoring unit are arranged inside the battery pack (1), an alarm indicator (5) and an operation indicator (6) are arranged on the surface of the battery pack (1), and the charging and discharging voltage monitoring unit, the charging and discharging current monitoring unit and the charging and discharging temperature monitoring unit are electrically connected with the alarm indicator (5) and the operation indicator (6).
5. The household power storage pack based on conversion of chemical energy and electric energy of new energy according to claim 1, characterized in that: the surface of the battery pack (1) is provided with a dry contact module (7) and a grounding protection module (8), and the dry contact module (7) comprises two dry contact signal output modes.
6. The household power storage pack based on conversion of chemical energy and electric energy of new energy according to claim 4, characterized in that: the surface of the battery pack (1) is provided with a first communication port (10), and the first communication port (10) is an RS232 port.
7. The household power storage pack based on conversion of chemical energy and electric energy of new energy according to claim 6, characterized in that: and the second communication port (14) is a GAN/RS485 port.
8. The household power storage pack based on conversion of chemical energy and electric energy of new energy according to claim 7, characterized in that: multiunit be equipped with between group battery (1) lead wire (15), lead wire (15) with electrode unit (2) looks adaptation, multiunit connect through communication wiring (16) between many equipment parallel connection mouth (11) on group battery (1) surface and many equipment parallel connection mouth two (12), many equipment parallel connection mouth (11) and many equipment parallel connection mouth two (12) are the RJ45 port.
9. A household power storage battery system based on conversion of chemical energy and electric energy of new energy is applied to the household power storage battery system based on conversion of chemical energy and electric energy of new energy according to any one of claims 1 to 8, and comprises a battery pack (1), external equipment and debugging equipment, and is characterized in that: a battery management system is arranged in the battery pack (1), the battery management system is electrically connected with the charging and discharging voltage monitoring unit, the charging and discharging current monitoring unit and the charging and discharging temperature monitoring unit, and a charging and discharging module in the electrode unit (2) is electrically connected with the battery management system;
the external equipment is connected with the battery pack (1) through a second communication port (14);
the inside of battery management system is equipped with storage module, debugging equipment pass through communication port one (10) with storage module connects, storage module's inside is equipped with operation data management unit and Ems Tools, be the electricity between operation data management unit and the last module and be connected, be the electricity between with charge-discharge voltage monitoring unit, charge-discharge current monitoring unit and charge-discharge temperature monitoring unit and SOC indicator (4), alarm indicator (5) and operation indicator (6).
10. The household power storage battery system based on chemical energy and electric energy conversion of new energy according to claim 9, characterized in that: the external equipment comprises an inverter and computer equipment.
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